mirror of
https://github.com/git/git
synced 2024-08-27 11:39:22 +00:00
Merge branch 'js/maint-receive-pack-symref-alias'
* js/maint-receive-pack-symref-alias: t5516-fetch-push.sh: style cleanup receive-pack: detect aliased updates which can occur with symrefs receive-pack: switch global variable 'commands' to a parameter Conflicts: t/t5516-fetch-push.sh
This commit is contained in:
commit
9215f76fb6
|
@ -9,6 +9,7 @@
|
|||
#include "object.h"
|
||||
#include "remote.h"
|
||||
#include "transport.h"
|
||||
#include "string-list.h"
|
||||
|
||||
static const char receive_pack_usage[] = "git receive-pack <git-dir>";
|
||||
|
||||
|
@ -129,13 +130,12 @@ static void write_head_info(void)
|
|||
struct command {
|
||||
struct command *next;
|
||||
const char *error_string;
|
||||
unsigned int skip_update;
|
||||
unsigned char old_sha1[20];
|
||||
unsigned char new_sha1[20];
|
||||
char ref_name[FLEX_ARRAY]; /* more */
|
||||
};
|
||||
|
||||
static struct command *commands;
|
||||
|
||||
static const char pre_receive_hook[] = "hooks/pre-receive";
|
||||
static const char post_receive_hook[] = "hooks/post-receive";
|
||||
|
||||
|
@ -188,7 +188,7 @@ static int copy_to_sideband(int in, int out, void *arg)
|
|||
return 0;
|
||||
}
|
||||
|
||||
static int run_receive_hook(const char *hook_name)
|
||||
static int run_receive_hook(struct command *commands, const char *hook_name)
|
||||
{
|
||||
static char buf[sizeof(commands->old_sha1) * 2 + PATH_MAX + 4];
|
||||
struct command *cmd;
|
||||
|
@ -447,15 +447,15 @@ static const char *update(struct command *cmd)
|
|||
|
||||
static char update_post_hook[] = "hooks/post-update";
|
||||
|
||||
static void run_update_post_hook(struct command *cmd)
|
||||
static void run_update_post_hook(struct command *commands)
|
||||
{
|
||||
struct command *cmd_p;
|
||||
struct command *cmd;
|
||||
int argc;
|
||||
const char **argv;
|
||||
struct child_process proc;
|
||||
|
||||
for (argc = 0, cmd_p = cmd; cmd_p; cmd_p = cmd_p->next) {
|
||||
if (cmd_p->error_string)
|
||||
for (argc = 0, cmd = commands; cmd; cmd = cmd->next) {
|
||||
if (cmd->error_string)
|
||||
continue;
|
||||
argc++;
|
||||
}
|
||||
|
@ -464,12 +464,12 @@ static void run_update_post_hook(struct command *cmd)
|
|||
argv = xmalloc(sizeof(*argv) * (2 + argc));
|
||||
argv[0] = update_post_hook;
|
||||
|
||||
for (argc = 1, cmd_p = cmd; cmd_p; cmd_p = cmd_p->next) {
|
||||
for (argc = 1, cmd = commands; cmd; cmd = cmd->next) {
|
||||
char *p;
|
||||
if (cmd_p->error_string)
|
||||
if (cmd->error_string)
|
||||
continue;
|
||||
p = xmalloc(strlen(cmd_p->ref_name) + 1);
|
||||
strcpy(p, cmd_p->ref_name);
|
||||
p = xmalloc(strlen(cmd->ref_name) + 1);
|
||||
strcpy(p, cmd->ref_name);
|
||||
argv[argc] = p;
|
||||
argc++;
|
||||
}
|
||||
|
@ -488,37 +488,92 @@ static void run_update_post_hook(struct command *cmd)
|
|||
}
|
||||
}
|
||||
|
||||
static void execute_commands(const char *unpacker_error)
|
||||
static void check_aliased_update(struct command *cmd, struct string_list *list)
|
||||
{
|
||||
struct command *cmd = commands;
|
||||
struct string_list_item *item;
|
||||
struct command *dst_cmd;
|
||||
unsigned char sha1[20];
|
||||
char cmd_oldh[41], cmd_newh[41], dst_oldh[41], dst_newh[41];
|
||||
int flag;
|
||||
|
||||
const char *dst_name = resolve_ref(cmd->ref_name, sha1, 0, &flag);
|
||||
|
||||
if (!(flag & REF_ISSYMREF))
|
||||
return;
|
||||
|
||||
if ((item = string_list_lookup(dst_name, list)) == NULL)
|
||||
return;
|
||||
|
||||
cmd->skip_update = 1;
|
||||
|
||||
dst_cmd = (struct command *) item->util;
|
||||
|
||||
if (!hashcmp(cmd->old_sha1, dst_cmd->old_sha1) &&
|
||||
!hashcmp(cmd->new_sha1, dst_cmd->new_sha1))
|
||||
return;
|
||||
|
||||
dst_cmd->skip_update = 1;
|
||||
|
||||
strcpy(cmd_oldh, find_unique_abbrev(cmd->old_sha1, DEFAULT_ABBREV));
|
||||
strcat(cmd_newh, find_unique_abbrev(cmd->new_sha1, DEFAULT_ABBREV));
|
||||
strcpy(dst_oldh, find_unique_abbrev(dst_cmd->old_sha1, DEFAULT_ABBREV));
|
||||
strcat(dst_newh, find_unique_abbrev(dst_cmd->new_sha1, DEFAULT_ABBREV));
|
||||
rp_error("refusing inconsistent update between symref '%s' (%s..%s) and"
|
||||
" its target '%s' (%s..%s)",
|
||||
cmd->ref_name, cmd_oldh, cmd_newh,
|
||||
dst_cmd->ref_name, dst_oldh, dst_newh);
|
||||
|
||||
cmd->error_string = dst_cmd->error_string =
|
||||
"inconsistent aliased update";
|
||||
}
|
||||
|
||||
static void check_aliased_updates(struct command *commands)
|
||||
{
|
||||
struct command *cmd;
|
||||
struct string_list ref_list = { NULL, 0, 0, 0 };
|
||||
|
||||
for (cmd = commands; cmd; cmd = cmd->next) {
|
||||
struct string_list_item *item =
|
||||
string_list_append(cmd->ref_name, &ref_list);
|
||||
item->util = (void *)cmd;
|
||||
}
|
||||
sort_string_list(&ref_list);
|
||||
|
||||
for (cmd = commands; cmd; cmd = cmd->next)
|
||||
check_aliased_update(cmd, &ref_list);
|
||||
|
||||
string_list_clear(&ref_list, 0);
|
||||
}
|
||||
|
||||
static void execute_commands(struct command *commands, const char *unpacker_error)
|
||||
{
|
||||
struct command *cmd;
|
||||
unsigned char sha1[20];
|
||||
|
||||
if (unpacker_error) {
|
||||
while (cmd) {
|
||||
for (cmd = commands; cmd; cmd = cmd->next)
|
||||
cmd->error_string = "n/a (unpacker error)";
|
||||
cmd = cmd->next;
|
||||
}
|
||||
return;
|
||||
}
|
||||
|
||||
if (run_receive_hook(pre_receive_hook)) {
|
||||
while (cmd) {
|
||||
if (run_receive_hook(commands, pre_receive_hook)) {
|
||||
for (cmd = commands; cmd; cmd = cmd->next)
|
||||
cmd->error_string = "pre-receive hook declined";
|
||||
cmd = cmd->next;
|
||||
}
|
||||
return;
|
||||
}
|
||||
|
||||
check_aliased_updates(commands);
|
||||
|
||||
head_name = resolve_ref("HEAD", sha1, 0, NULL);
|
||||
|
||||
while (cmd) {
|
||||
for (cmd = commands; cmd; cmd = cmd->next)
|
||||
if (!cmd->skip_update)
|
||||
cmd->error_string = update(cmd);
|
||||
cmd = cmd->next;
|
||||
}
|
||||
}
|
||||
|
||||
static void read_head_info(void)
|
||||
static struct command *read_head_info(void)
|
||||
{
|
||||
struct command *commands = NULL;
|
||||
struct command **p = &commands;
|
||||
for (;;) {
|
||||
static char line[1000];
|
||||
|
@ -548,15 +603,14 @@ static void read_head_info(void)
|
|||
if (strstr(refname + reflen + 1, "side-band-64k"))
|
||||
use_sideband = LARGE_PACKET_MAX;
|
||||
}
|
||||
cmd = xmalloc(sizeof(struct command) + len - 80);
|
||||
cmd = xcalloc(1, sizeof(struct command) + len - 80);
|
||||
hashcpy(cmd->old_sha1, old_sha1);
|
||||
hashcpy(cmd->new_sha1, new_sha1);
|
||||
memcpy(cmd->ref_name, line + 82, len - 81);
|
||||
cmd->error_string = NULL;
|
||||
cmd->next = NULL;
|
||||
*p = cmd;
|
||||
p = &cmd->next;
|
||||
}
|
||||
return commands;
|
||||
}
|
||||
|
||||
static const char *parse_pack_header(struct pack_header *hdr)
|
||||
|
@ -643,7 +697,7 @@ static const char *unpack(void)
|
|||
}
|
||||
}
|
||||
|
||||
static void report(const char *unpack_status)
|
||||
static void report(struct command *commands, const char *unpack_status)
|
||||
{
|
||||
struct command *cmd;
|
||||
struct strbuf buf = STRBUF_INIT;
|
||||
|
@ -667,12 +721,12 @@ static void report(const char *unpack_status)
|
|||
strbuf_release(&buf);
|
||||
}
|
||||
|
||||
static int delete_only(struct command *cmd)
|
||||
static int delete_only(struct command *commands)
|
||||
{
|
||||
while (cmd) {
|
||||
struct command *cmd;
|
||||
for (cmd = commands; cmd; cmd = cmd->next) {
|
||||
if (!is_null_sha1(cmd->new_sha1))
|
||||
return 0;
|
||||
cmd = cmd->next;
|
||||
}
|
||||
return 1;
|
||||
}
|
||||
|
@ -722,6 +776,7 @@ int cmd_receive_pack(int argc, const char **argv, const char *prefix)
|
|||
int stateless_rpc = 0;
|
||||
int i;
|
||||
char *dir = NULL;
|
||||
struct command *commands;
|
||||
|
||||
argv++;
|
||||
for (i = 1; i < argc; i++) {
|
||||
|
@ -772,18 +827,17 @@ int cmd_receive_pack(int argc, const char **argv, const char *prefix)
|
|||
if (advertise_refs)
|
||||
return 0;
|
||||
|
||||
read_head_info();
|
||||
if (commands) {
|
||||
if ((commands = read_head_info()) != NULL) {
|
||||
const char *unpack_status = NULL;
|
||||
|
||||
if (!delete_only(commands))
|
||||
unpack_status = unpack();
|
||||
execute_commands(unpack_status);
|
||||
execute_commands(commands, unpack_status);
|
||||
if (pack_lockfile)
|
||||
unlink_or_warn(pack_lockfile);
|
||||
if (report_status)
|
||||
report(unpack_status);
|
||||
run_receive_hook(post_receive_hook);
|
||||
report(commands, unpack_status);
|
||||
run_receive_hook(commands, post_receive_hook);
|
||||
run_update_post_hook(commands);
|
||||
if (auto_gc) {
|
||||
const char *argv_gc_auto[] = {
|
||||
|
|
|
@ -64,13 +64,13 @@ check_push_result () {
|
|||
|
||||
test_expect_success setup '
|
||||
|
||||
: >path1 &&
|
||||
>path1 &&
|
||||
git add path1 &&
|
||||
test_tick &&
|
||||
git commit -a -m repo &&
|
||||
the_first_commit=$(git show-ref -s --verify refs/heads/master) &&
|
||||
|
||||
: >path2 &&
|
||||
>path2 &&
|
||||
git add path2 &&
|
||||
test_tick &&
|
||||
git commit -a -m second &&
|
||||
|
@ -483,8 +483,10 @@ git config --remove-section remote.there
|
|||
test_expect_success 'push with dry-run' '
|
||||
|
||||
mk_test heads/master &&
|
||||
(cd testrepo &&
|
||||
old_commit=$(git show-ref -s --verify refs/heads/master)) &&
|
||||
(
|
||||
cd testrepo &&
|
||||
old_commit=$(git show-ref -s --verify refs/heads/master)
|
||||
) &&
|
||||
git push --dry-run testrepo &&
|
||||
check_push_result $old_commit heads/master
|
||||
'
|
||||
|
@ -493,10 +495,13 @@ test_expect_success 'push updates local refs' '
|
|||
|
||||
mk_test heads/master &&
|
||||
mk_child child &&
|
||||
(cd child &&
|
||||
(
|
||||
cd child &&
|
||||
git pull .. master &&
|
||||
git push &&
|
||||
test $(git rev-parse master) = $(git rev-parse remotes/origin/master))
|
||||
test $(git rev-parse master) = \
|
||||
$(git rev-parse remotes/origin/master)
|
||||
)
|
||||
|
||||
'
|
||||
|
||||
|
@ -506,10 +511,13 @@ test_expect_success 'push updates up-to-date local refs' '
|
|||
mk_child child1 &&
|
||||
mk_child child2 &&
|
||||
(cd child1 && git pull .. master && git push) &&
|
||||
(cd child2 &&
|
||||
(
|
||||
cd child2 &&
|
||||
git pull ../child1 master &&
|
||||
git push &&
|
||||
test $(git rev-parse master) = $(git rev-parse remotes/origin/master))
|
||||
test $(git rev-parse master) = \
|
||||
$(git rev-parse remotes/origin/master)
|
||||
)
|
||||
|
||||
'
|
||||
|
||||
|
@ -517,9 +525,11 @@ test_expect_success 'push preserves up-to-date packed refs' '
|
|||
|
||||
mk_test heads/master &&
|
||||
mk_child child &&
|
||||
(cd child &&
|
||||
(
|
||||
cd child &&
|
||||
git push &&
|
||||
! test -f .git/refs/remotes/origin/master)
|
||||
! test -f .git/refs/remotes/origin/master
|
||||
)
|
||||
|
||||
'
|
||||
|
||||
|
@ -530,11 +540,13 @@ test_expect_success 'push does not update local refs on failure' '
|
|||
mkdir testrepo/.git/hooks &&
|
||||
echo "#!/no/frobnication/today" >testrepo/.git/hooks/pre-receive &&
|
||||
chmod +x testrepo/.git/hooks/pre-receive &&
|
||||
(cd child &&
|
||||
(
|
||||
cd child &&
|
||||
git pull .. master
|
||||
test_must_fail git push &&
|
||||
test $(git rev-parse master) != \
|
||||
$(git rev-parse remotes/origin/master))
|
||||
$(git rev-parse remotes/origin/master)
|
||||
)
|
||||
|
||||
'
|
||||
|
||||
|
@ -575,34 +587,41 @@ test_expect_success 'push --delete refuses src:dest refspecs' '
|
|||
|
||||
test_expect_success 'warn on push to HEAD of non-bare repository' '
|
||||
mk_test heads/master
|
||||
(cd testrepo &&
|
||||
(
|
||||
cd testrepo &&
|
||||
git checkout master &&
|
||||
git config receive.denyCurrentBranch warn) &&
|
||||
git config receive.denyCurrentBranch warn
|
||||
) &&
|
||||
git push testrepo master 2>stderr &&
|
||||
grep "warning: updating the current branch" stderr
|
||||
'
|
||||
|
||||
test_expect_success 'deny push to HEAD of non-bare repository' '
|
||||
mk_test heads/master
|
||||
(cd testrepo &&
|
||||
(
|
||||
cd testrepo &&
|
||||
git checkout master &&
|
||||
git config receive.denyCurrentBranch true) &&
|
||||
git config receive.denyCurrentBranch true
|
||||
) &&
|
||||
test_must_fail git push testrepo master
|
||||
'
|
||||
|
||||
test_expect_success 'allow push to HEAD of bare repository (bare)' '
|
||||
mk_test heads/master
|
||||
(cd testrepo &&
|
||||
(
|
||||
cd testrepo &&
|
||||
git checkout master &&
|
||||
git config receive.denyCurrentBranch true &&
|
||||
git config core.bare true) &&
|
||||
git config core.bare true
|
||||
) &&
|
||||
git push testrepo master 2>stderr &&
|
||||
! grep "warning: updating the current branch" stderr
|
||||
'
|
||||
|
||||
test_expect_success 'allow push to HEAD of non-bare repository (config)' '
|
||||
mk_test heads/master
|
||||
(cd testrepo &&
|
||||
(
|
||||
cd testrepo &&
|
||||
git checkout master &&
|
||||
git config receive.denyCurrentBranch false
|
||||
) &&
|
||||
|
@ -615,7 +634,8 @@ test_expect_success 'fetch with branches' '
|
|||
git branch second $the_first_commit &&
|
||||
git checkout second &&
|
||||
echo ".." > testrepo/.git/branches/branch1 &&
|
||||
(cd testrepo &&
|
||||
(
|
||||
cd testrepo &&
|
||||
git fetch branch1 &&
|
||||
r=$(git show-ref -s --verify refs/heads/branch1) &&
|
||||
test "z$r" = "z$the_commit" &&
|
||||
|
@ -627,7 +647,8 @@ test_expect_success 'fetch with branches' '
|
|||
test_expect_success 'fetch with branches containing #' '
|
||||
mk_empty &&
|
||||
echo "..#second" > testrepo/.git/branches/branch2 &&
|
||||
(cd testrepo &&
|
||||
(
|
||||
cd testrepo &&
|
||||
git fetch branch2 &&
|
||||
r=$(git show-ref -s --verify refs/heads/branch2) &&
|
||||
test "z$r" = "z$the_first_commit" &&
|
||||
|
@ -641,7 +662,8 @@ test_expect_success 'push with branches' '
|
|||
git checkout second &&
|
||||
echo "testrepo" > .git/branches/branch1 &&
|
||||
git push branch1 &&
|
||||
(cd testrepo &&
|
||||
(
|
||||
cd testrepo &&
|
||||
r=$(git show-ref -s --verify refs/heads/master) &&
|
||||
test "z$r" = "z$the_first_commit" &&
|
||||
test 1 = $(git for-each-ref refs/heads | wc -l)
|
||||
|
@ -652,7 +674,8 @@ test_expect_success 'push with branches containing #' '
|
|||
mk_empty &&
|
||||
echo "testrepo#branch3" > .git/branches/branch2 &&
|
||||
git push branch2 &&
|
||||
(cd testrepo &&
|
||||
(
|
||||
cd testrepo &&
|
||||
r=$(git show-ref -s --verify refs/heads/branch3) &&
|
||||
test "z$r" = "z$the_first_commit" &&
|
||||
test 1 = $(git for-each-ref refs/heads | wc -l)
|
||||
|
@ -660,6 +683,55 @@ test_expect_success 'push with branches containing #' '
|
|||
git checkout master
|
||||
'
|
||||
|
||||
test_expect_success 'push into aliased refs (consistent)' '
|
||||
mk_test heads/master &&
|
||||
mk_child child1 &&
|
||||
mk_child child2 &&
|
||||
(
|
||||
cd child1 &&
|
||||
git branch foo &&
|
||||
git symbolic-ref refs/heads/bar refs/heads/foo
|
||||
git config receive.denyCurrentBranch false
|
||||
) &&
|
||||
(
|
||||
cd child2 &&
|
||||
>path2 &&
|
||||
git add path2 &&
|
||||
test_tick &&
|
||||
git commit -a -m child2 &&
|
||||
git branch foo &&
|
||||
git branch bar &&
|
||||
git push ../child1 foo bar
|
||||
)
|
||||
'
|
||||
|
||||
test_expect_success 'push into aliased refs (inconsistent)' '
|
||||
mk_test heads/master &&
|
||||
mk_child child1 &&
|
||||
mk_child child2 &&
|
||||
(
|
||||
cd child1 &&
|
||||
git branch foo &&
|
||||
git symbolic-ref refs/heads/bar refs/heads/foo
|
||||
git config receive.denyCurrentBranch false
|
||||
) &&
|
||||
(
|
||||
cd child2 &&
|
||||
>path2 &&
|
||||
git add path2 &&
|
||||
test_tick &&
|
||||
git commit -a -m child2 &&
|
||||
git branch foo &&
|
||||
>path3 &&
|
||||
git add path3 &&
|
||||
test_tick &&
|
||||
git commit -a -m child2 &&
|
||||
git branch bar &&
|
||||
test_must_fail git push ../child1 foo bar 2>stderr &&
|
||||
grep "refusing inconsistent update" stderr
|
||||
)
|
||||
'
|
||||
|
||||
test_expect_success 'push --porcelain' '
|
||||
mk_empty &&
|
||||
echo >.git/foo "To testrepo" &&
|
||||
|
|
Loading…
Reference in a new issue